Derby Derbend • derby · · · Info · Definitions · Synonyms · Characters · · Derby · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a felt hat that is round and hard with a narrow brim. Synonyms: bowler hat, bowler, derby hat, derby, plug hat. · · Noun Definition 1 Synonyms · · · bowler hat · · Synonym 1 bowler · · Synonym 2 derby hat · · Synonym 3 plug hat · · Synonym 4 Characters · · D latin capital letter d U+0044 b latin small letter b U+0062 e latin small letter e U+0065 r latin small letter r U+0072 y latin small letter y U+0079